Fix typescript typo
Fix typescript typo

Turfjs/turf,tilemapjp/turf,tilemapjp/turf,hooplert/jesper,Turfjs/turf,tilemapjp/turf,hooplert/jesper,dpmcmlxxvi/turf,dpmcmlxxvi/turf,dpmcmlxxvi/turf,Turfjs/turf,hooplert/jesper